The founding of Arcetri Observatory in Florence
Simone Bianchi

TL;DR
This paper chronicles the historical development of Arcetri Observatory in Florence, highlighting its origins, challenges, and the key figures involved in establishing Italy's modern astronomical research facility in the 19th century.
Contribution
It provides a detailed historical account of the founding process and the strategic decisions behind establishing Arcetri Observatory, a significant milestone in Italian astronomy.
Findings
First observatory built in Florence in 1872
Key figure Giovanni Battista Donati played a pivotal role
Successful site selection and funding acquisition
Abstract
The first idea of establishing a public astronomical observatory in Florence, Capital of the Grand Duchy of Tuscany, dates to the mid of the 18th century. Initially, the use of a low building on a high ground was proposed, and the hill of Arcetri suggested as a proper location. At the end of the century, the Florence Observatory - or Specola - was built instead on a tower at the same level as the city's centre. As soon as astronomers started to use this observatory, they recognized all its flaws and struggled to search for a better location. Giovanni Battista Donati, director of the Specola of Florence from the eve of the Italian Unification in 1859, finally succeeded in creating a new observatory: first, he obtained funds from the Parliament of the Kingdom of Italy to build an equatorial mount for the Amici 28-cm refractor, which could not be installed conveniently in the tower of the…
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